package com.example.study.config;

import com.fasterxml.jackson.annotation.JsonAutoDetect;
import com.fasterxml.jackson.annotation.PropertyAccessor;
import com.fasterxml.jackson.databind.ObjectMapper;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cache.CacheManager;
import org.springframework.cache.annotation.EnableCaching;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.cache.RedisCacheConfiguration;
import org.springframework.data.redis.cache.RedisCacheManager;
import org.springframework.data.redis.cache.RedisCacheWriter;
import org.springframework.data.redis.connection.RedisConnectionFactory;
import org.springframework.data.redis.connection.lettuce.LettuceConnectionFactory;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.serializer.Jackson2JsonRedisSerializer;
import org.springframework.data.redis.serializer.StringRedisSerializer;

/**
 * redis 序列化
 * @author 廖昊源
 * @date 2021/3/21
 */
@Configuration
@EnableCaching
public class RedisConfig {
//    //编写我们自己的RedisTemplate
@Bean
//@SuppressWarnings("all")
public RedisTemplate<String, Object> redisTemplate(RedisConnectionFactory redisConnectionFactory) {
    //为了开发方便RedisTemplate一般直接采用<String, Object> 类型
    RedisTemplate<String, Object> template = new RedisTemplate();
    template.setConnectionFactory(redisConnectionFactory);
    //序列化配置
    Jackson2JsonRedisSerializer<Object> Jackson2JsonRedisSerializer =new Jackson2JsonRedisSerializer(Object.class);
    ObjectMapper om = new ObjectMapper();
    om.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY);
    om.enableDefaultTyping(ObjectMapper.DefaultTyping.NON_FINAL);
    Jackson2JsonRedisSerializer.setObjectMapper(om);
    StringRedisSerializer stringRedisSerializer = new StringRedisSerializer();
    //key采用string的序列化方式
    template.setKeySerializer(stringRedisSerializer);
    //hash的key也采用string的序列化方式
    template.setHashKeySerializer(stringRedisSerializer);
    //value序列化方式采用Jackson
    template.setValueSerializer(Jackson2JsonRedisSerializer);
    //hash的value序列化方式采用Jackson
    template.setHashValueSerializer(Jackson2JsonRedisSerializer);
    template.afterPropertiesSet();
    return template;
}
}
